Home / 14,291.10-21,436.65-9,042.30

Finding the Fourth Proportional to 14,291.10, 21,436.65 and 9,042.30

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Solution

The fourth proportional to 14,291.10, 21,436.65 and 9,042.30 is: 13,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.10 : 21,436.65 = 9,042.30 : x
  2. Step 2: Convert to fraction form
    14,291.10/21,436.65 = 9,042.30/x
  3. Step 3: Cross multiply
    14,291.10x = 21,436.65 × 9,042.30
  4. Step 4: Simplify right side
    14,291.10x = 193,836,620.30
  5. Step 5: Solve for x
    x = 193,836,620.30/14,291.10
  6. Step 6: Final answer
    x = 13,563.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.